LibreAI / Audio / nightingale
// audio · rzru/nightingale

nightingale

Machine-learning karaoke with scores — sing at home, for free.

💎 Hidden gem★ 1.5k stars⑂ 111 forksGPL-3.0updated 2026-10
▦ visual — this project's README ships no embeddable screenshot,
so here's a placeholder. The guide below is complete regardless.
// project facts

Project facts

nightingale is an open-source audio project by rzru (rzru/nightingale on GitHub). It has 1,484 GitHub stars and 111 forks, is released under the GPL-3.0 license, and was last updated on GitHub on 2 October 2026.

GitHub stars
1,484
Forks
111
License
GPL-3.0
Last updated on GitHub
2 October 2026
Category
Audio
Listing
Hidden gem — a shorter page for a lesser-known project
Official site
Official site
// how it works

How it works

  1. Open the app

    Launch it in your browser or as a desktop build.

  2. Pick a track

    Choose a song from the available catalog.

  3. Sing along

    ML separation handles the backing track while you sing.

  4. Check your score

    Get rated on pitch and timing, then retry for a better score.

// features

Why people love it

ML vocal separation

Uses machine learning to build sing-along backing tracks.

Performance scoring

Rates your singing so you can track improvement.

Web-based app

Runs in the browser with a polished karaoke interface.

Karaoke game feel

Scoring turns practice into a friendly competition.

GPL-3.0 license

Free and open; derivatives must stay open too.

Active development

Recent commits show it is still being improved.

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// run it

Run it yourself

  1. Step 1 — Clone the repo

    Download the source and move into the project folder.

    git clone https://github.com/rzru/nightingale.git
    cd nightingale
  2. Step 2 — Check the README

    Every project documents its own setup; start with install requirements.

    cat README.md | head -60
  3. Step 3 — Run it

    Follow the project's launch command — Docker, pip, npm, or a binary release.

    # see README for the exact launch command
// use cases

What you can build

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// faq

Questions, answered

Who maintains nightingale?

It is an open-source project at rzru/nightingale with 111 forks. Check the repo's contributors and recent commits to see how active maintenance is.

Is nightingale free for commercial use?

GPL-3.0 licensed — free to use, but modified versions must also be GPL.

How does the scoring work?

It uses ML analysis of pitch and timing to score your performance against the track.

Do I need special hardware?

Just a computer with a microphone; no special karaoke machine required.

Where do the songs come from?

The app provides a catalog; check the project docs for details on adding tracks.

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// alternatives

Alternatives in Audio

The most-starred other Audio projects in the LibreAI catalogue — the realistic shortlist if nightingale is not the right fit.

Get nightingale

Free and open — grab the source, star the repo, and start creating.